Practice Quiz

MCAS Chemistry Exam Practice

Category - Chemistry

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Which of the following statements describes all exothermic reactions?
  1. Exothermic reactions form gases.
  2. Exothermic reactions require a catalyst.
  3. The energy of the reactants is lower than the energy of the products.
  4. The energy of the reactants is higher than the energy of the products.
Explanation
Answer: D - The energy of the reactants is higher than the energy of the products.
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